The big divide between rich and poor. One of my biggest bugbears. I'm not going to harp on about, but I for one would give up all I have, if everyone else would do the same, and put it all into a communal pot. I am under no illusion that that will never happen.
I was at a rugby club clean up session a couple of Sundays ago (ie cleaning up after the party the night before) and speaking to one of the committee members, he said something that really hit home. We have the luxury to choose what and when we eat.
I live in Paris and quite often go jogging early morning. You want to see some of the injustice I see - simply caused by greed, money and the unequal distribution of wealth.
In March, 5am, one morning, a very cold, dark and very wet morning, I ran past one of the big Paris department stores, only to see one of the store operatives turfing out a family of two adults and three very young children, from a doorway where they had obviously spent the night.
I'm not going to get into the polemic debate of where they came from and why they were there - the point and this I will hammer home - all seven people involved in that scene, me, the operative and the family are all citizens of this world and should all have an equal a right as each other. I re-run that scene in my head from time to time whenever I see injustice. Just about every time it makes me want to cry, the sheer crushing reality of the indifference of humans to their fellow man.